Carbon grit

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United States of America Patent

PATENT NO 8641999
APP PUB NO 20070009419A1
SERIAL NO

11178622

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Abstract

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Plasma assisted chemical vapor deposition is used to form single crystal diamond from a seed and methane. A susceptor is used to support the seed. Under certain conditions, crystalline grit is formed in addition to the diamond. The crystalline grit in one embodiment comprises mono crystals or twin crystals of carbon, each having its own nucleus. The crystals form in columns or tendrils to the side of the monocrystalline diamond or off a side of the susceptor. The crystals may have bonding imperfections which simulate doping, providing conductivity. They may also be directly doped. Many tools may be coated with the grit.

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  • SCIO DIAMOND TECHNOLOGY CORPORATION

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  • 2005 Application Filing Year
  • B03C Class
  • 109 Applications Filed
  • 57 Patents Issued To-Date
  • 52.30 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2005200620072008200920102011201220132014201520160255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Calabria, John J Maynard, US 1 0
Doering, Patrick J Holliston, US 39 496
Genis, Alfred East Douglas, US 4 57
Linares, Robert C Sherborn, US 48 534

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges6542310431101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6081 - 9002.557.51012.51517.52022.52527.53032.53537.54042.54547.55052.55557.5

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